JPS5387723A - Lens shift device with focus posiion correcting mechanism - Google Patents

Lens shift device with focus posiion correcting mechanism

Info

Publication number
JPS5387723A
JPS5387723A JP215577A JP215577A JPS5387723A JP S5387723 A JPS5387723 A JP S5387723A JP 215577 A JP215577 A JP 215577A JP 215577 A JP215577 A JP 215577A JP S5387723 A JPS5387723 A JP S5387723A
Authority
JP
Japan
Prior art keywords
focus
posiion
shift device
correcting mechanism
lens shift
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP215577A
Other languages
Japanese (ja)
Inventor
Toshiyuki Yajima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujinon Corp
Original Assignee
Fuji Photo Optical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Photo Optical Co Ltd filed Critical Fuji Photo Optical Co Ltd
Priority to JP215577A priority Critical patent/JPS5387723A/en
Publication of JPS5387723A publication Critical patent/JPS5387723A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To maintain the focus to be constant over the whole range of zooming by shifting the holding mount of a partical lens of the lens system with a helical cam.
COPYRIGHT: (C)1978,JPO&Japio
JP215577A 1977-01-12 1977-01-12 Lens shift device with focus posiion correcting mechanism Pending JPS5387723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP215577A JPS5387723A (en) 1977-01-12 1977-01-12 Lens shift device with focus posiion correcting mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP215577A JPS5387723A (en) 1977-01-12 1977-01-12 Lens shift device with focus posiion correcting mechanism

Publications (1)

Publication Number Publication Date
JPS5387723A true JPS5387723A (en) 1978-08-02

Family

ID=11521451

Family Applications (1)

Application Number Title Priority Date Filing Date
JP215577A Pending JPS5387723A (en) 1977-01-12 1977-01-12 Lens shift device with focus posiion correcting mechanism

Country Status (1)

Country Link
JP (1) JPS5387723A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57150844U (en) * 1981-03-16 1982-09-21
JPS57150841U (en) * 1981-03-14 1982-09-21
JPS57173861A (en) * 1981-04-21 1982-10-26 Fuji Xerox Co Ltd Lens moving device of copier
JPS5817463A (en) * 1981-07-24 1983-02-01 Asahi Optical Co Ltd 2 stage variable magnification device of copying machine
JPS5882274A (en) * 1981-11-11 1983-05-17 Canon Inc Variable magnification forming device
JPS58144852A (en) * 1982-02-22 1983-08-29 Toshiba Corp Transfer device of optical system
JPS59168709U (en) * 1983-04-26 1984-11-12 株式会社ニコン Lens barrel that can be attached to bellows
JPS6096656U (en) * 1983-12-09 1985-07-01 株式会社リコー Copying machine lens aperture drive device
JPS60260935A (en) * 1984-06-07 1985-12-24 Minolta Camera Co Ltd Variable power mechanism of copying machine
JPS6153746U (en) * 1984-09-14 1986-04-11
JPH02230134A (en) * 1989-03-02 1990-09-12 Konica Corp Variable power device for copying machine

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57150841U (en) * 1981-03-14 1982-09-21
JPS57150844U (en) * 1981-03-16 1982-09-21
JPS57173861A (en) * 1981-04-21 1982-10-26 Fuji Xerox Co Ltd Lens moving device of copier
JPS5817463A (en) * 1981-07-24 1983-02-01 Asahi Optical Co Ltd 2 stage variable magnification device of copying machine
JPS6227700B2 (en) * 1981-07-24 1987-06-16 Asahi Optical Co Ltd
JPS5882274A (en) * 1981-11-11 1983-05-17 Canon Inc Variable magnification forming device
JPS58144852A (en) * 1982-02-22 1983-08-29 Toshiba Corp Transfer device of optical system
JPS59168709U (en) * 1983-04-26 1984-11-12 株式会社ニコン Lens barrel that can be attached to bellows
JPS6096656U (en) * 1983-12-09 1985-07-01 株式会社リコー Copying machine lens aperture drive device
JPS60260935A (en) * 1984-06-07 1985-12-24 Minolta Camera Co Ltd Variable power mechanism of copying machine
JPS6153746U (en) * 1984-09-14 1986-04-11
JPH02230134A (en) * 1989-03-02 1990-09-12 Konica Corp Variable power device for copying machine

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